# Drone Harmony Mobile vs O

The clearest difference is ads: Drone Harmony Mobile at none against O's shown. O's advantage is update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (12.0 vs 14.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Drone Harmony Mobile ships an update every 6 weeks, O every 2 weeks. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Drone Harmony Mobile | O |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (6 ratings)](https://appshunter.io/ios/app/drone-harmony-mobile/id1602698517/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 9.1% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 157 MB | 52 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Drone Harmony AG](https://appshunter.io/developer/1602698519) | [O-Pitblast, Lda.](https://appshunter.io/developer/1190650181) |

## What reviewers say

### Drone Harmony Mobile

[App page](https://appshunter.io/ios/app/drone-harmony-mobile/id1602698517)

Plan and execute drone flights directly from your iPhone or iPad. This app allows you to synchronize with the cloud, load sites, and adapt flight plans for mapping and inspection missions. Future updates will introduce a 3D interface and expanded drone compatibility.

**Highlights:** iOS flight planning and execution, Cloud synchronization, Load and adapt flight plans, Mapping & Inspection mission support, Terrain category missions, Gimbal adjustments

**In-app purchases:** none


### O

[App page](https://appshunter.io/ios/app/o-pit-blasting-guide/id1645853605)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Drone Harmony Mobile free?

Drone Harmony Mobile is free to download, with no in-app purchases.

### Is O free?

O is free to download, with no in-app purchases.

### Do Drone Harmony Mobile or O have ads?

O shows ads; Drone Harmony Mobile does not.

### Which is updated more often, Drone Harmony Mobile or O?

Drone Harmony Mobile ships an update every 6 weeks, and O every 2 weeks. Most recently, Drone Harmony Mobile was updated on October 15, 2026 and O on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*